National Geologic Map Database
General Information
- Title: Late Ordovician (Ashgillian) age of volcanic rocks, north-central Maine
- Author(s): Neuman, R.B.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 850 [p. 165]
- Larger Work: U.S. Geological Survey research 1973
- Publication Date: 1973
- Cross Section: None
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